Paleozoic


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Paleozoic

[¦pāl·ē·ə¦zō·ik]
(geology)
The era of geologic time from the end of the Precambrian (600 million years before present) until the beginning of the Mesozoic era (225 million years before present).
References in periodicals archive ?
The frequency of free vibrations of precipitation thickness concerning about Paleozoic foundation is defined taking into account breaking and block structure of the earth crust based on finite element method.
Fields there are associated with a salt basin, with the oil mostly reservoired in Lower Paleozoic clastic deposits.
The Paleozoic magmatic arcs and subduction-accretion complexes as well as the Mesozoic rift zones are believed to constitute exploration objectives for bulk-mineable gold in Mongolia.
Ediacaran to Paleozoic rocks are exposed in the Precordillera and Frontal Cordillera, and include pre-Carbonifeous metamorphic rocks unconformably overlain by upper Carboniferous marine and continental sedimentary rocks, locally intruded by Upper Permian granitoids (Folguera et al.
The tree-climbing lifestyle of this Paleozoic relative of mammals is particularly important because for the first time in vertebrate evolution, it gives access to new food resources high off the ground, and also provides protection from ground-dwelling predators.
Major differences are related to the shallow occurrence of Paleozoic (Silurian and Devonian) rocks.
Several tectonic developments during the Paleozoic and great earth movements in the Early Mesozoic era brought about elevations in Syria called paleohighs.
However, the supercontinent must have been assembled during the late Paleozoic Eon about 300,000,000 years ago, and the lack of structural evidence makes it difficult to trace the earlier continental movements.
The Holbrook Basin is located in east-central Arizona and contains Paleozoic rocks including sabkha deposits of Permian age.
The sources for the Paleozoic clastics are said to be the Arabian Shield and the Jawf/Ga'ra Arch in the north, the Hadhramaut Arch in the south, and the Huqf-Ja'lan axis of Oman in the SE.
Contract notice: Execution of a vertical hole pelnordzeniowanego research bibiela pgi-1 with studies of well logs to investigate unresolved profiles lower paleozoic in the north-eastern part of the upper silesian block, in the municipality wozniki, district lubliniecki, silesia.
The first hypothesis considers all Patagonia, including the Somuncura Massif, to be allochthonous with respect to Western Gondwana during Paleozoic times (see Ramos 1984, 2008 for a review of these studies).